问题 解答题
算一算.
219-17×36÷34
(100+45)×32-80
102×88+712÷89864÷(27-23)÷12.
答案

(1)219-17×36÷34,

=219-612÷34,

=219-18,

=201;

(2)(100+45)×32-80,

=145×32-80,

=4640-80,

=4560;

(3)102×88+712÷89,

=8976+8,

=8984;

(4)864÷(27-23)÷12,

=864÷4÷12,

=216÷12,

=18.

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